The World Health Organization convened its first Technical Advisory Group on Behavioural Insights and Sciences for Health.“The COVID-19 pandemic has taught the world that public health agencies and experts need a better understanding of how people and societies behave and make decisions in relation to their health," said Dr Tedros Adhanom Ghebreyesus, Director-General of WHO, to whom the Technical Advisory Group will report. "WHO wants to ensure that such understanding and evidence inform every policy, guideline and programme.” Following a global call which attracted over 200 applications from 47 countries, some 21 advisers have been selected to represent a variety of countries and expertise in related disciplines, to design and implement